Dell Precision T7600 (Mid 2012) - Manual (Page 14)

3. Lift the cover upward to a 45–degree angle and remove it from the computer.
Installing the Left Cover
1. Place the computer cover on the chassis.
2. Press down on the cover till it clicks into place.
3. Follow the procedures in After Working Inside Your Computer .
Removing the Intrusion Switch
1. Follow the procedures in Before Working Inside Your Computer .
2. Remove the left cover.
3. Press the intrusion switch release latch and disconnect the connector from the system board.
a) Unroute the intrusion switch cable from the chassis.
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